/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.sync.packets;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;

import appeng.api.util.DimensionalCoord;
import appeng.core.sync.AppEngPacket;
import appeng.core.sync.network.INetworkInfo;
import appeng.core.sync.network.NetworkHandler;
import appeng.core.worlddata.WorldData;
import appeng.services.compass.ICompassCallback;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

public class PacketCompassRequest extends AppEngPacket implements ICompassCallback {

    final long attunement;
    final int cx;
    final int cz;
    final int cdy;

    private EntityPlayer talkBackTo;

    // automatic.
    public PacketCompassRequest(final ByteBuf stream) {
        this.attunement = stream.readLong();
        this.cx = stream.readInt();
        this.cz = stream.readInt();
        this.cdy = stream.readInt();
    }

    // api
    public PacketCompassRequest(final long attunement, final int cx, final int cz, final int cdy) {

        final ByteBuf data = Unpooled.buffer();

        data.writeInt(this.getPacketID());
        data.writeLong(this.attunement = attunement);
        data.writeInt(this.cx = cx);
        data.writeInt(this.cz = cz);
        data.writeInt(this.cdy = cdy);

        this.configureWrite(data);
    }

    @Override
    public void calculatedDirection(final boolean hasResult, final boolean spin, final double radians,
            final double dist) {
        NetworkHandler.instance
                .sendTo(new PacketCompassResponse(this, hasResult, spin, radians), (EntityPlayerMP) this.talkBackTo);
    }

    @Override
    public void serverPacketData(final INetworkInfo manager, final AppEngPacket packet, final EntityPlayer player) {
        this.talkBackTo = player;

        final DimensionalCoord loc = new DimensionalCoord(player.worldObj, this.cx << 4, this.cdy << 5, this.cz << 4);
        WorldData.instance().compassData().service().getCompassDirection(loc, 174, this);
    }
}
